Group 1 - The Hang Seng Index fell over 1% on February 3rd, indicating a decline in the overall market sentiment [1] - The Hang Seng Tech Index experienced a drop of more than 3%, highlighting significant losses in technology-related stocks [1] - Notable declines were observed in sectors such as star tech stocks, artificial intelligence, lithium batteries, and chips [1] Group 2 - Conversely, sectors such as electric power equipment, building materials and cement, and home appliances showed resilience and performed well despite the market downturn [1]